Sylvania 6626LDG A, Service Manual, Page: 28 / 74

9-2
Video Block Diagram
L4350BLV
VIDEO SIGNAL
IC1401
(HDMI INTERF
A
C
E)
IC1402
(HDMI MEMOR
Y)
7 9 4 6 1 3
10 12 16 15
35 34 38 37 41 40 43 44
22 23 27 20
50 49
B
U
FFER
Q1401
B
U
FFER
Q1402
5 6
CN1116
CN113
CN1113
HDMI RECEIVER
HDMI-D
A
T
A
JK1401
HDMI-IN
HDMI-CLOCK
D
A
T
A
0(+)
D
A
T
A
0(-)
D
A
T
A
1(+)
D
A
T
A
1(-)
D
A
T
A
2(+)
D
A
T
A
2(-)
CLOCK(+)
CLOCK(-)
CN114
MAIN CB
A
DIGIT
AL MAIN CB
A UNIT
JK701
VIDEO-IN1
S-VIDEO-IN1 S-VIDEO-IN2
VIDEO-Y
-IN1
VIDEO-Pb-IN1 VIDEO-Pr-IN1 VIDEO-Y
-IN2
VIDEO-Pb-IN2 VIDEO-Pr-IN2
VIDEO-IN2
3
4
2
1
YC
JK703 JK702
3
4
2
1
YC
VIDEO-IN1
2
22
VIDEO-IN2
7
17
S-VIDEO-Y
-IN2
4
20
S-VIDEO-C-IN2
5
19
S-VIDEO-Y
-IN1
21
3
S-VIDEO-C-IN1
22
2
VIDEO-Y
-IN1
11
13
VIDEO-Pb-IN1
13
11
VIDEO-Pr-IN1
14
10
VIDEO-Y
-IN2
16
8
VIDEO-Pb-IN2
18
6
VIDEO-Pr-IN2
19
5
B
U
FFER
Q702
B
U
FFER
Q701
B
U
FFER
Q704
JK704
MUX
MUX
MA
TRIX
VIDEO-IN1 VIDEO-IN2 VIDEO-Y
-IN
S-VIDEO-Y
-IN1
VIDEO-C-IN S-VIDEO-C-IN1
R D
A
T
A
(0-7)
G D
A
T
A
(0-7)
B D
A
T
A(0-7)
HDMI BCLK HDMI LRCLK HDMI SD
A
T
A
D
A
C-OSCLK
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
G
RAM
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
G
RAM
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
G
RAM
CLAMP
A/D
92 99
2 9
12 19
A
UDIO
DECODER
74 68 79
IIC I/F
SD
A
SCL
71 66 77
A
U
DIO SIGNAL
WF1 WF2
WF3
B
U
FFER
Q703
WF4 WF5
WF6
B
U
FFER
Q710
B
U
FFER
Q711
B
U
FFER
Q712
B
U
FFER
Q705
B
U
FFER
Q706
B
U
FFER
Q707
B
U
FFER
Q708
B
U
FFER
Q709
IC1801
(INPUT SELECT)
SW CTL
15
4
1 2 3 5
10
9
< D
V
D
SECTION > TO
D
V
D
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
DV
D
-Y
DV
D
-C
Q1801
INPUT(S2/D
VD)
T
O
SYSTEM
CONTR
O
L
BLOCK DIA
G
RAM